I asked Z1 as I was concerned about the oil being too cool as well and I was assured that north of a reading of 180°F, the oil would be greater than 212°F inside the motor (I don't know how temps vary across the flow path of the oil).

Having said that, I have no problem reaching 180°F with a block off plate in the winter at 35°F ish ambient. On a warmer winter day, I see 220°F. Road use, not track.

From a thread I read when I was planning my build and can no longer find, the gauge reads the oil at its coldest point oil cooler or not. So the gauge is always 10-20 degrees cooler than what the inside of your motor sees. So if you see 230, your motor is really seeing 240-250. That's higher than I'm comfortable with.

I tried to find that thread, but a search here for "oil cooler" returns more threads than I'm willing to sift through.

Nope you should still be between the 180 and 220 mark. During highway cruise, the fact that you will not be on the throttle at all times allows the oil to stay cool. I think stop-go in the summer time is where I finally start to see the needle creep past 220. Never been past 230.

That would be very interesting to know for sure. I will search for it later, thanks for the heads up. I hate the search feature on this site.....it's awful. I have more luck finding specific things on this site using Google through the web.

Yeah, it would have been from before 2012 for sure. I got back hundreds of results and pretty much said "**** it" after I looked for a minute or two. :rofl2:

http://www.the370z.com/engine-drivet...oil-temps.html

There's some discussion here about the discrepancy between the gauge and internal temps. Nothing definitive, but it does lead one to believe that the gauge is a little optimistic whether you're running an oil cooler or not.

fixed.


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:facepalm:

Yes, there are many threads about this.